/**
 * #      521
 * 名称   最长特殊序列 Ⅰ
 * 链接   https://leetcode-cn.com/problems/longest-uncommon-subsequence-i
 * 题解   [199](https://leetcode-cn.com/problems/longest-uncommon-subsequence-i/solution)
 * 通过率 70.4%
 * 难道   简单
 */

